Steam-superheater.



E. A. GEOGHEGAN, W. B. MAYO C. S. TURNER.

` STEAM SUPERHEMER.

APPHCATION HLD SEPT| B|191G l. Patented Feb. 13, 191?.

2 SHEETSSHEET l.

E. A. GEOGHEGAN, W. B. MAYO- & C. S. TURNER.

STEAM SUPERHEATER.

APPUCATIN FILED SEPT- 18, |916.

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2 SHEETS-SHEET 2.

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, i Lg'jlg Specification at Letters Patent. Patented Fein, tigt,ltljitfi?,

' Application tiled. September 11B, 1916, Serial No; Matti.

To all w50/m #may concern: said intake pipes A', A', the inner ends of zBe it lmcwnthat we, EDWARD A. Groei-1r;- said pipes A A', beingsupported within the jf GAN, WILLIAM B. MAYO, and @Hannes S. header A,by internal flanges a, which di- -v TURNER, .citizens of the UnitedStates, residvide the interior of the header it., into three ing,respectively, at the city of New York, chambers c', a2, a2. The intakepipes it A, 6C

`inthe State of New York, the city of Hanoilare not welded to theinternal flanges a, but

t0n, county of Butler, in the State of Uhio, are free to movetherethrough. as the lheader andthe town of Highland Park, county of A,and intake pipes it, Aare caused to eri A `Wayne, in v the State 0fMichigan, 4have pand or contract by "variations inthe tern- 1`0 `jointlyinvented certain new' and useful lmperature. The header B, has itsinterior din 65 1 proveniente in Steamuperheaters; and we vided hy Walisinto chambers. b2, b?,

do hereby declare the following to be. a full, the two chambers 62 Zig,being in connnunicaclear, and exact description ofthe invention, tion bymeans of a tubeB, expanded into '1 'such as will enable others skilledin the art openimgs in the walls b b, V y lto which it appertains tomake and use the The ,group ot tubes C, connect the cham- 7o same,reference .being had tc the accompanyber e', in the header A, and thechamber ing drawings, and to the letters of reference in the header B;and groups of tubes C C',

, marked thereon, .forming a part of this connect the chamber h', in theheader B,

specification. v and the chambers@2 a2, in the header A; 2Q `Thisinvention relates to steam superheatand the groups of tubes C2 C2,connect the 7s -e1's, in which steam is'received into and devchambers a2a2 in the header. A, and the livered from both ends thereof. chambersZ22 62, in the header B, so that In large steam generating units theregusteam enters the intermediate chamber a',

*lation of insurance underwriters requires in the header A, and passesthrough the "25 that there 'shallbe two steam conductor group or' tubesC, into the chamber b', in so mains leading from the generator, so thatAthe header B, and from the chamber when a superheater is installed,there must through the two groups ofpipes C C, into be e steamconnectionbetween each'conducthe two chambers a2 a2, around the intaketor and the superheater, or a separate superpipes A A, in the header A,and from the heater for each conductor. To meet this chambers (z2 a2through the groupsjoi tubes 85 requirement of two steam conductors, weC2 C2, into the-chambers 252 b2, inthe header have deviseda superheaterhaving two head- B, from whence it is discharged into the ers, one ofwhich is adapted to receive steam steam main in the usual manner. Itwill c into both ends, and the other of which detherefore be observed,that by means of this vlivers lsuperheated steam from both ends improvedconstruction, the steam enters the te thereof; also toprovide means fordraining header A, from opposite endsV and travels the upper header.These and other features through the intake pipes A', to theinterwill'appear hereinafter in the specification mediate chamber' ai,and as the pipes A', and claims, and are illustrated in the. accomaresurrounded with partially superheated 40 panying drawings, in. whichsteam, the steam during its passage through tti igure 41, is a side viewpartially in secthe pipes A rtf, absorbs some heat theretion, with theintermediate portion of the from, which assists in the superheatingtubesbroken away, ota superheater embodyprocess. The tube B', connectingthe cham Ain our invention. Q bers?)2 52, in the header B, equalizes theig. 2, is adiagrammatic view ci a Waterpressure in said two chambers. Itis ob- 100 l tube steam generator, with our improved viousI that thetubes'C, C and C2, can be superheater installed therein. bent into anyform desired, to adapt the In these drawings A, indicates the upperAsuperheater for installation in steam genor intake header; B, indicatesthe discharge era-tors. In Fig.` 2 is shown one form into 50. header,and C, C', C', and C, C2, groups of which said tubes can be bent so asto adapt 105 tubes connecting 'the headers A and B. lin the superheaterto he used immediately bethe ends of the intake header it, there arehind the first bank of boiler tubes D, and placed intalre pipes whichare sealed or weldunder the second banket tubes lili .ln this ed thereinso as to form a steam tight joint form, one of the tubes of the groups Cand t5 between the outer ends ont the header A, and 1G, is connectedwith the .reader it,

20 'Y this invention, so as to enable others to conat the under sidethereof, as shown by the letter C3, in Fig. 2, so that any Water whichmay accumulate in either of the chambers a, or a2 a2, in the upperheader A, will pass therefrom through said tubes C3, into the chambersb" and b2 b2, the water accumulating in the chambers b passing therefromthrough the small openings b3 b3, in the Walls b b.

From the foregoing it will be obvious that While we have shown anddescribed the' headers A and B, as being divided into three chamberseach, the .same might be divided into ive or more chambers, and theintake pipes A. A', each pass through more than one division wall to themiddle chamber; therefore it is not desired to be limited to the exactnumber of chambers and groups fof connecting tubes shown and described.

' Havingthus fully shown and described `within said tubular memberdividing =the vwalls in the first named header and forming a middlechamber therein, and al series of groups of tubes connecting the severalchambers in one header with the chambers in the other header, wherebysteam introduced into the middle chamber in the first header' will pass'successively Athrough all of the header chambers at each side of saidmiddle chambers, substantially as set forth..

4, In ay superheater, a header, division walls therein dividing theinterior thereof into a plurality of chambers, and a tube thereinconnecting the outer chamber at one end of said header, with the outerchamber at the opposite end thereof, substantially as set forth. l

In testimony whereof We aiiix our signatures.

EDWARD A. GEOGHEGfr/il. WILLAM B. MAYO. CHARLES S. TURNER.

